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Dr. Robert M. Siwiec, MD

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(Robert M. Siwiec, MD - IU Health Gastroenterology & Hepatology - Carmel)

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Specializes in: Hepatology (Liver Disease), Gastroenterology (Digestive System) and General Practice

11725 N. Illinois Street Suite 545
Carmel, IN 46032

(317) 944-0980

Dr. Robert M. Siwiec, MD is a hepatologist in Carmel, IN specializing in hepatology (liver disease), gastroenterology (digestive system) and general practice. Dr. Robert M. Siwiec, MD is affiliated with IU Health Gastroenterology & Hepatology - Carmel - IU Health North Hospital Medical Office Building.

Office Locations

11725 N. Illinois Street Suite 545
Carmel, IN 46032

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Noteworthy Medicare Patient Procedures Performed by Dr. Robert M. Siwiec, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

esophageal manometry

By Affordability:

esophageal manometry

manometry

In 2023, among providers in related specialties within Indiana, Dr. Robert M. Siwiec, MD performed more esophageal manometry procedures for Medicare patients than 95% of them and he also had a list price for esophageal manometry, and manometry that was lower than the list prices billed to Medicare by 95% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

diagnostic procedures

gastrointestinal procedures

minimally invasive procedures

In 2012, Dr. Robert M. Siwiec, MD performed more diagnostic procedures, gastrointestinal procedures, and minimally invasive procedures procedures for Medicare patients than 75% of providers in related specialties within Indiana.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

hospital care	13
inpatient care	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	42
doctor visit	89
gastrointestinal procedures	87
hospital care	86
inpatient care	86
minimally invasive procedures	87
preventive care	11
removal of lesion (e.g. growth)	42

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	97
Female	127

**Ethnicity**
Non-Hispanic White	185
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	41
85 and over	19
Less than 65	88

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2013

Hypertension	75
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	47
Depression	43
Chronic Kidney Disease	46
Asthma	16
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2014 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	89
doctor visit	198
gastrointestinal procedures	127
hospital care	238
inpatient care	238
manometry	13
minimally invasive procedures	114
preventive care	13
removal of lesion (e.g. growth)	89

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	103
Female	206

**Ethnicity**
Non-Hispanic White	258
Black	39
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	59
85 and over	28
Less than 65	93

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2014

Hypertension	68
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	37
Depression	43
Chronic Kidney Disease	34
Asthma	16
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2015 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	190
doctor visit	253
gastrointestinal procedures	288
hospital care	244
inpatient care	244
minimally invasive procedures	288
preventive care	58
removal of lesion (e.g. growth)	190

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	356
Female	666

**Ethnicity**
Non-Hispanic White	890
Black	86
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	438
From 75 to 84	216
85 and over	108
Less than 65	260

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2015

Hypertension	72
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	39
Depression	38
Chronic Kidney Disease	32
Asthma	21
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2016 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	133
doctor visit	289
esophageal dilation	13
gastrointestinal procedures	272
hospital care	159
inpatient care	159
manometry	25
minimally invasive procedures	247
preventive care	60
removal of lesion (e.g. growth)	133

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	192
Female	315

**Ethnicity**
Non-Hispanic White	442
Black	32
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	239
From 75 to 84	103
85 and over	41
Less than 65	124

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2016

Hypertension	68
High Cholesterol	52
Stroke	7
Ischemic Heart Disease	35
Depression	35
Chronic Kidney Disease	30
Asthma	22
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2017 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	101
doctor visit	137
gastrointestinal procedures	148
hospital care	75
inpatient care	75
manometry	13
minimally invasive procedures	135
preventive care	12
removal of lesion (e.g. growth)	101

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	112
Female	192

**Ethnicity**
Non-Hispanic White	271
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	69
85 and over	31
Less than 65	69

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2017

Hypertension	68
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	38
Depression	41
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2018 were gastrointestinal procedures, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	119
doctor visit	267
gastrointestinal procedures	351
hospital care	279
inpatient care	279
manometry	67
minimally invasive procedures	215
preventive care	63
removal of lesion (e.g. growth)	119

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	241
Female	329

**Ethnicity**
Non-Hispanic White	494
Black	48
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	133
85 and over	42
Less than 65	146

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2018

Hypertension	68
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	38
Depression	41
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2019 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	123
doctor visit	244
gastrointestinal procedures	400
hospital care	202
inpatient care	202
manometry	83
minimally invasive procedures	224
preventive care	44
removal of lesion (e.g. growth)	123

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	206
Female	344

**Ethnicity**
Non-Hispanic White	466
Black	56
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	260
From 75 to 84	129
85 and over	39
Less than 65	122

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2019

Hypertension	69
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	38
Depression	40
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2020 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	98
doctor visit	111
gastrointestinal procedures	282
hospital care	159
hydrogen breath test	17
inpatient care	159
manometry	51
methane breath test	17
minimally invasive procedures	164
preventive care	31
removal of lesion (e.g. growth)	98

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	187
Female	268

**Ethnicity**
Non-Hispanic White	394
Black	32
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	103
85 and over	32
Less than 65	99

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2020

Hypertension	68
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	39
Depression	37
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2021 were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	97
doctor visit	151
gastrointestinal procedures	270
hospital care	136
inpatient care	136
manometry	37
minimally invasive procedures	204
preventive care	63
removal of lesion (e.g. growth)	97

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	163
Female	273

**Ethnicity**
Non-Hispanic White	378
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	97
85 and over	25
Less than 65	94

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2021

Hypertension	68
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	35
Depression	39
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN during 2022 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

diagnostic procedures	62
doctor visit	134
gastrointestinal procedures	184
hospital care	59
hydrogen breath test	15
inpatient care	59
manometry	35
methane breath test	15
minimally invasive procedures	123
preventive care	39
removal of lesion (e.g. growth)	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	132
Female	217

**Ethnicity**
Non-Hispanic White	311
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	95
85 and over	13
Less than 65	68

Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD in 2022

Hypertension	68
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	23
Depression	39
Chronic Kidney Disease	25
Asthma	16
Osteoperosis	20
Atrial Fibrilation	14
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert M. Siwiec, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert M. Siwiec, MD treated as a hepatologist in Carmel, IN were gastrointestinal procedures, minimally invasive procedures, hospital care and inpatient care.

diagnostic procedures	105
doctor visit	187
esophageal dilation	13
gastrointestinal procedures	240
hospital care	150
hydrogen breath test	16
inpatient care	150
manometry	40
methane breath test	16
minimally invasive procedures	180
preventive care	39
removal of lesion (e.g. growth)	105

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert M. Siwiec, MD.

**Gender**
Male	162
Female	267

**Ethnicity**
Black / African American	34
Asian / Pacific Islander	0
Non-Hispanic White	371
Native American / Alaskan Native	0
Hispanic	0
Other	7

**Age**
75 to 84	95
85 and over	34
Less than 65	105
65 to 74	194

Average of Total of Conditions of Medicare patients treated by Dr. Robert M. Siwiec, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Robert M. Siwiec, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	62
High Cholesterol	50
Stroke	4
Ischemic Heart Disease	33
Depression	36
Chronic Kidney Disease	33
Asthma	13
Osteoporosis	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Atrial Fibrillation	12
Dementia	10
Cancer	10

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Affiliations & Hospitals

Dr. Robert M. Siwiec, MD is associated with these hospitals and organizations:

IU Health Gastroenterology & Hepatology - Carmel - IU Health North Hospital Medical Office Building

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Robert M. Siwiec, MD appears to accept the following insurance providers: Community Health Alliance, Indiana University Health Workers Compensation, Encore, Lutheran Preferred/Three Rivers Preferred, Parkview Signature Care PPO (Excludes Allen County), Zing Health Medicare Advantage C-SNP, Deaconess OneCare, Cigna Marketplace, Anthem Hoosier Healthwise, Encore Elite, Managed Health Services Hoosier Healthwise, Indiana University Workers Compensation, Anthem Hoosier Care Connect, Physicians Health Plan of Northern Indiana (PHP) (Allen County), Managed Health Services Healthy Indiana Plan, Anthem Blue Cross Blue Shield, Zing Health Medicare Advantage POS, Coventry/First Health, MultiPlan/PHCS, SIHO, CareSource Hoosier Healthwise, Anthem Indiana PathWays for Aging, United HealthCare Hoosier Care Connect, Encore Combined, Aetna, CareSource, VA Community Care Network, Encore Workers Compensation, United HealthCare, Managed Health Services Hoosier Care Connect, Managed Health Services (MHS), Humana Medicare Advantage PFFS, United HealthCare Medicare Advantage HMO, United HealthCare Community Plan Indiana PathWays for Aging, CareSource Healthy Indiana Plan, Point Comfort Unaccompanied Children Program, United HealthCare Medicare Advantage PPO, United HealthCare Medicare Advantage D-SNP, NaphCare, Sagamore Health Network, Aetna Medicare Advantage, Humana Medicare Advantage HMO, Managed Health Services Marketplace, United HealthCare Marketplace, Humana Healthy Horizons Indiana PathWays for Aging, Humana, Managed Health Services Medicare Advantage (Allwell), Community Health Network Employee Plan, Zing Health Medicare Advantage D-SNP, Humana Medicare Advantage PPO, Anthem Healthy Indiana Plan, Suburban Health Organization (SHO), Zing Health Medicare Advantage HMO, Anthem Medicare Advantage HMO, Provider Partners Health Plan (PPHP) I-SNP, Anthem, Cigna, American Health Plan of Indiana/Majestic Care Management I-SNP, Select Health, Zing Health Medicare Advantage PPO, Anthem Medicare Advantage PPO, Anthem Pathway Essentials Network and Zing Health.

Insurance Accepted by Provider includes:

According to our sources, Dr. Robert M. Siwiec, MD accepts the following insurance providers:

Community Health Alliance

Indiana University Health Workers Compensation

Encore

Lutheran Preferred/Three Rivers Preferred

Parkview Signature Care PPO (Excludes Allen County)

Zing Health Medicare Advantage C-SNP

Deaconess OneCare

Cigna Marketplace

Anthem Hoosier Healthwise

Encore Elite

Managed Health Services Hoosier Healthwise

Indiana University Workers Compensation

Anthem Hoosier Care Connect

Physicians Health Plan of Northern Indiana (PHP) (Allen County)

Managed Health Services Healthy Indiana Plan

Anthem Blue Cross Blue Shield

Zing Health Medicare Advantage POS

Coventry/First Health

MultiPlan/PHCS

SIHO

CareSource Hoosier Healthwise

Anthem Indiana PathWays for Aging

United HealthCare Hoosier Care Connect

Encore Combined

Aetna

CareSource

VA Community Care Network

Encore Workers Compensation

United HealthCare

Managed Health Services Hoosier Care Connect

Managed Health Services (MHS)

Humana Medicare Advantage PFFS

United HealthCare Medicare Advantage HMO

United HealthCare Community Plan Indiana PathWays for Aging

CareSource Healthy Indiana Plan

Point Comfort Unaccompanied Children Program

United HealthCare Medicare Advantage PPO

United HealthCare Medicare Advantage D-SNP

NaphCare

Sagamore Health Network

Aetna Medicare Advantage

Humana Medicare Advantage HMO

Managed Health Services Marketplace

United HealthCare Marketplace

Humana Healthy Horizons Indiana PathWays for Aging

Humana

Managed Health Services Medicare Advantage (Allwell)

Community Health Network Employee Plan

Zing Health Medicare Advantage D-SNP

Humana Medicare Advantage PPO

Anthem Healthy Indiana Plan

Suburban Health Organization (SHO)

Zing Health Medicare Advantage HMO

Anthem Medicare Advantage HMO

Provider Partners Health Plan (PPHP) I-SNP

Anthem

Cigna

American Health Plan of Indiana/Majestic Care Management I-SNP

Select Health

Zing Health Medicare Advantage PPO

Anthem Medicare Advantage PPO

Anthem Pathway Essentials Network

Zing Health

Ratings & Reviews

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Research Payments

Dr. Robert M. Siwiec, MD has received 2 research payments totaling $22,663.

Biography

Dr. Robert Siwiec's medical specialty is general practice, gastroenterology (digestive system), and hepatology (liver disease). Anthem, Blue California, and Coventry appears to be the insurance carriers that Dr. Siwiec takes. Yext reports that Dr. Siwiec is accepting new patients at his office in Carmel, IN.